Digitimer DS7A Operator's Manual page 10

Operator's Manual
Trigger Out Pulse Duration................................................................................28
Specifications.....................................................................................................30
Stimulating Electrodes.......................................................................................32
Mains Connection...............................................................................................33
Trigger Polarity..................................................................................................34
Explanation of Symbols Used on Accessories....................................................35
D185-HB1...........................................................................................................36
D185-HB4...........................................................................................................37
D185-TCx - Trigger Cables.................................................................................38
D185-FS1...........................................................................................................39
Connection of DS7A to an EMG System.............................................................40
Introduction.....................................................................................................40
Modes.............................................................................................................40
Setting up the EMG system...............................................................................41
Artefact Rejection.............................................................................................41
Making Trigger Connections to the DS7A...........................................................42
Symbols used in connection with the Trigger.....................................................42
Description of socket function...........................................................................42
Electrical characteristics of Triggers...................................................................43
Trigger pulse to output stimulus relationship......................................................43
Bibliography.......................................................................................................44
Appendix 1 .. DS7A Modification Record Status................................................46
New Instruments.............................................................................................46
Units that have been modified after first delivery...............................................46
The Modifications made....................................................................................46
Appendix 2 .. DS7AH - High Output Current......................................................48
Digitimer Ltd.
File Ref: N:\Docs\Company\Manuals\DS7A\Issue-14\DS7A-iss14.odt
Stimulus Output......................................................................................30
Trigger...................................................................................................30
Indicators...............................................................................................30
External Fuses........................................................................................31
Internal Fuses........................................................................................31
Dimensions............................................................................................31
Temperature..........................................................................................31
Other.....................................................................................................31
Mains Plug connections...........................................................................33
Mains Plug fuse......................................................................................33
Mains Voltage Selector............................................................................33
Input trigger...........................................................................................34
Output trigger........................................................................................34
DS7A - Trigger-Out.................................................................................40
DS7A - Trigger-In...................................................................................40
10 of 58
DS7A - Constant Current Stimulator
Copyright © 2014
Last Revised: February 1, 2017